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Operating Microscope
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Root Canal Therapy

Retreatment Root Canal

Periapical Surgery

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Root Canal Therapy

When a tooth has an inflamed pulp (nerve) or if the tooth is necrotic (dead) and is infected, root canal treatment is necessary in order to save the tooth. The inflamed or infected tissue inside the tooth is removed using rotary instruments and disinfecting solutions. After this, a rubber-like filling material is placed in the canals along with a sealer (cement) to seal the root canal. After the root canal treatment, you will return to your dentist for a final restoration

Retreatment Root Canal

When a tooth that has already had a root canal, it may need a retreatment for a variety of reasons. During the procedure, the previous filling material is removed under operating microscope to clean and disinfect the canals. In many instances, an antibacterial medicine is placed in the canals for a few weeks before you return to finish the treatment. Final phase, it is essentially the same procedure as the root canal.

Periapical Surgery

There are some instances when a root canal or retreatment are not recommended. In these instances, a procedure called apicoectomy may be performed. This is microsurgery where the tip of the root is usually removed along with any infected tissue, and the canals are cleaned and filled from the root end.

Note: All procedures are performed under an operating microscope (OM) which allows Dr Niemi to better visualize the procedure and the internal anatomy of your tooth.

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Tuomas Niemi DMD MDS


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Dr. Niemi has an advanced specialty training in Endodontics and a Master of Dental Science degree at University of Tennessee Health Science Center.
Dr. Niemi has a commitment to clinical excellence and personalized compassionate care to provide better and more efficient treatment for our patients.

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Greatly enhances a clinician's ability to view the tiniest details inside a patient's tooth. By magnifying vision up to 25 times that of the naked eye, the dental microscope is useful in both diagnosis and treatment. Research demonstrates better outcomes compared to treatment without vision enhancement or magnification. Microscopes aid in:

  • Finding hidden and accessory canals

  • Locating and removing separated instruments

  • Preserving more tooth structure

  • Improving ergonomics for the clinician


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American Association of Endodontics (AAE)

American Dental Association (ADA)

Florida Dental Association (FDA)


Endodontic Residency

University of Tennessee

Health Science Center

Advanced Specialty Education in Endodontics
Masters of Dental Science
Chief Endodontic Resident
Recipient of John McSpadden Spirited Service award
Published research in the Journal of Endodontics (JOE)

Doctor of Dental Medicine (DMD)

Nova Southeastern University


College of Dentistry

2010  - elected into the Omicron Kappa Upsilon (OKU) National Dental Honor Society

  • selected based on high scholarship attainments along with exemplary traits of character and potential qualities of future professional growth

Recipient of Removable Prothodontics Award (Alpha Omega Fraternity)

  • Selected as the graduating dentist who has demonstrated the highest proficiency in Clinical Removable Prothodontics

Awarded the Certificate of Excellence from The Gold Coast Academy of General Dentistry

Recognition by the Academy of Operative Dentistry for outstanding achievement in operative dentistry

Recipient of Academy of General Dentistry Award

University of South Florida

Bachelors of Arts and Sciences with major in Biomedical  Sciences (Summa Cum Laude)

Bachelors in Arts in Business Administration with dual major in Finance and Marketing.

   - Graduated from the College of Honors (Summa Cum Laude)

Contact US

2025 35th Ave, Suite B
Vero Beach, 32960


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Opening Hours

Mon - Thu: 8am - 5pm

   Friday:      8am - 12pm or by an appointment

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